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datetime="2024-02-02T13:40:55.038Z" title="更新于 2024-02-02 21:40:55">2024-02-02</time></span><span class="post-meta-categories"><span class="post-meta-separator">|</span><i class="fas fa-inbox fa-fw post-meta-icon"></i><a class="post-meta-categories" href="/categories/%E6%8A%80%E6%9C%AF%E6%95%99%E7%A8%8B/">技术教程</a><i class="fas fa-angle-right post-meta-separator"></i><i class="fas fa-inbox fa-fw post-meta-icon"></i><a class="post-meta-categories" href="/categories/%E6%8A%80%E6%9C%AF%E6%95%99%E7%A8%8B/mall/">mall</a><i class="fas fa-angle-right post-meta-separator"></i><i class="fas fa-inbox fa-fw post-meta-icon"></i><a class="post-meta-categories" href="/categories/%E6%8A%80%E6%9C%AF%E6%95%99%E7%A8%8B/mall/%E5%8F%82%E8%80%83%E7%AF%87/">参考篇</a></span></div><div class="meta-secondline"><span class="post-meta-separator">|</span><span class="post-meta-wordcount"><i class="far fa-file-word fa-fw post-meta-icon"></i><span class="post-meta-label">字数总计:</span><span class="word-count">818</span><span class="post-meta-separator">|</span><i class="far fa-clock fa-fw post-meta-icon"></i><span class="post-meta-label">阅读时长:</span><span>3分钟</span></span><span class="post-meta-separator">|</span><span class="post-meta-pv-cv" id="" data-flag-title="开发者必备MySQL命令"><i class="far fa-eye fa-fw post-meta-icon"></i><span class="post-meta-label">阅读量:</span><span id="busuanzi_value_page_pv"><i class="fa-solid fa-spinner fa-spin"></i></span></span></div></div></div><article class="post-content" id="article-container"><blockquote>
<p>开发者必备 Mysql 常用命令，涵盖了数据定义语句、数据操纵语句及数据控制语句，基于 Mysql5.7。</p>
</blockquote>
<h2 id="数据定义语句-DDL"><a href="#数据定义语句-DDL" class="headerlink" title="#数据定义语句(DDL)"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/reference/mysql.html#%E6%95%B0%E6%8D%AE%E5%AE%9A%E4%B9%89%E8%AF%AD%E5%8F%A5-ddl">#</a>数据定义语句(DDL)</h2><h3 id="数据库操作"><a href="#数据库操作" class="headerlink" title="#数据库操作"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/reference/mysql.html#%E6%95%B0%E6%8D%AE%E5%BA%93%E6%93%8D%E4%BD%9C">#</a>数据库操作</h3><ul>
<li>登录数据库：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">mysql -uroot -proot</span><br></pre></td></tr></table></figure>

<ul>
<li>创建数据库：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">create database test</span><br></pre></td></tr></table></figure>

<ul>
<li>查看所有数据库：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">show databases</span><br></pre></td></tr></table></figure>

<p><img src="https://qiniu.ko25891wan.top/%E6%97%A5%E8%AE%B0%E8%BD%AF%E4%BB%B6/obsition/refer_screen_41-f37d4d3a.png"></p>
<ul>
<li>选择数据库并使用：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">use test</span><br></pre></td></tr></table></figure>

<ul>
<li>查看所有数据表：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">show tables</span><br></pre></td></tr></table></figure>

<ul>
<li>删除数据库：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">drop database test</span><br></pre></td></tr></table></figure>

<h3 id="表操作"><a href="#表操作" class="headerlink" title="#表操作"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/reference/mysql.html#%E8%A1%A8%E6%93%8D%E4%BD%9C">#</a>表操作</h3><ul>
<li>创建表：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">create table emp(ename varchar(10),hiredate date,sal decimal(10,2),deptno int(2))  </span><br></pre></td></tr></table></figure>

<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">create table dept(deptno int(2),deptname varchar(10))</span><br></pre></td></tr></table></figure>

<p><img src="https://qiniu.ko25891wan.top/%E6%97%A5%E8%AE%B0%E8%BD%AF%E4%BB%B6/obsition/refer_screen_42-940b3b71.png"></p>
<ul>
<li>查看表的定义：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">desc emp</span><br></pre></td></tr></table></figure>

<p><img src="https://qiniu.ko25891wan.top/%E6%97%A5%E8%AE%B0%E8%BD%AF%E4%BB%B6/obsition/refer_screen_43-1ede5291.png"></p>
<ul>
<li>查看表定义（详细）：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">show create table emp \G</span><br></pre></td></tr></table></figure>

<p><img src="https://qiniu.ko25891wan.top/%E6%97%A5%E8%AE%B0%E8%BD%AF%E4%BB%B6/obsition/refer_screen_44-79ca2830.png"></p>
<ul>
<li>删除表：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">drop table emp</span><br></pre></td></tr></table></figure>

<ul>
<li>修改表字段：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">alter table emp modify ename varchar(20)</span><br></pre></td></tr></table></figure>

<ul>
<li>添加表字段：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">alter table emp add column age int(3)</span><br></pre></td></tr></table></figure>

<ul>
<li>删除表字段：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">alter table emp drop column age</span><br></pre></td></tr></table></figure>

<ul>
<li>字段改名；</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">alter table emp change age age1 int(4)</span><br></pre></td></tr></table></figure>

<ul>
<li>修改表名：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">alter table emp rename emp1</span><br></pre></td></tr></table></figure>

<h2 id="数据操纵语句-DML"><a href="#数据操纵语句-DML" class="headerlink" title="#数据操纵语句(DML)"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/reference/mysql.html#%E6%95%B0%E6%8D%AE%E6%93%8D%E7%BA%B5%E8%AF%AD%E5%8F%A5-dml">#</a>数据操纵语句(DML)</h2><h3 id="插入记录"><a href="#插入记录" class="headerlink" title="#插入记录"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/reference/mysql.html#%E6%8F%92%E5%85%A5%E8%AE%B0%E5%BD%95">#</a>插入记录</h3><ul>
<li>指定名称插入：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">insert into emp (ename,hiredate,sal,deptno) values (&#x27;zhangsan&#x27;,&#x27;2018-01-01&#x27;,&#x27;2000&#x27;,1)</span><br></pre></td></tr></table></figure>

<ul>
<li>不指定名称插入：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">insert into emp values (&#x27;lisi&#x27;,&#x27;2018-01-01&#x27;,&#x27;2000&#x27;,1)</span><br></pre></td></tr></table></figure>

<ul>
<li>批量插入数据：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">insert into dept values(1,&#x27;dept1&#x27;),(2,&#x27;dept2&#x27;)</span><br></pre></td></tr></table></figure>

<h3 id="修改记录"><a href="#修改记录" class="headerlink" title="#修改记录"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/reference/mysql.html#%E4%BF%AE%E6%94%B9%E8%AE%B0%E5%BD%95">#</a>修改记录</h3><figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">update emp set sal=&#x27;4000&#x27;,deptno=2 where ename=&#x27;zhangsan&#x27;</span><br></pre></td></tr></table></figure>

<h3 id="删除记录"><a href="#删除记录" class="headerlink" title="#删除记录"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/reference/mysql.html#%E5%88%A0%E9%99%A4%E8%AE%B0%E5%BD%95">#</a>删除记录</h3><figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">delete from emp where ename=&#x27;zhangsan&#x27;</span><br></pre></td></tr></table></figure>

<h3 id="查询记录"><a href="#查询记录" class="headerlink" title="#查询记录"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/reference/mysql.html#%E6%9F%A5%E8%AF%A2%E8%AE%B0%E5%BD%95">#</a>查询记录</h3><ul>
<li>查询所有记录：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">select * from emp</span><br></pre></td></tr></table></figure>

<ul>
<li>查询不重复的记录：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">select distinct deptno from emp</span><br></pre></td></tr></table></figure>

<ul>
<li>条件查询：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">select * from emp where deptno=1 and sal&lt;3000</span><br></pre></td></tr></table></figure>

<ul>
<li>排序和限制：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">select * from emp order by deptno desc limit 2</span><br></pre></td></tr></table></figure>

<ul>
<li>分页查询(查询从第0条记录开始10条)：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">select * from emp order by deptno desc limit 0,10</span><br></pre></td></tr></table></figure>

<ul>
<li>聚合(查询部门人数大于1的部门编号)：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">select deptno,count(1) from emp group by deptno having count(1) &gt; 1</span><br></pre></td></tr></table></figure>

<ul>
<li>连接查询：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">select * from emp e left join dept d on e.deptno=d.deptno</span><br></pre></td></tr></table></figure>

<ul>
<li>子查询：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">select * from emp where deptno in (select deptno from dept)</span><br></pre></td></tr></table></figure>

<ul>
<li>记录联合：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">select deptno from emp union select deptno from dept</span><br></pre></td></tr></table></figure>

<h2 id="数据控制语句-DCL"><a href="#数据控制语句-DCL" class="headerlink" title="#数据控制语句(DCL)"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/reference/mysql.html#%E6%95%B0%E6%8D%AE%E6%8E%A7%E5%88%B6%E8%AF%AD%E5%8F%A5-dcl">#</a>数据控制语句(DCL)</h2><h3 id="权限相关"><a href="#权限相关" class="headerlink" title="#权限相关"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/reference/mysql.html#%E6%9D%83%E9%99%90%E7%9B%B8%E5%85%B3">#</a>权限相关</h3><ul>
<li>授予操作权限(将test数据库中所有表的select和insert权限授予test用户)：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">grant select,insert on test.* to &#x27;test&#x27;@&#x27;localhost&#x27; identified by &#x27;123&#x27;</span><br></pre></td></tr></table></figure>

<ul>
<li>查看账号权限：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">show grants for &#x27;test&#x27;@&#x27;localhost&#x27;</span><br></pre></td></tr></table></figure>

<p><img src="https://qiniu.ko25891wan.top/%E6%97%A5%E8%AE%B0%E8%BD%AF%E4%BB%B6/obsition/refer_screen_45-072633db.png"></p>
<ul>
<li>收回操作权限：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">revoke insert on test.* from &#x27;test&#x27;@&#x27;localhost&#x27;</span><br></pre></td></tr></table></figure>

<p><img src="https://qiniu.ko25891wan.top/%E6%97%A5%E8%AE%B0%E8%BD%AF%E4%BB%B6/obsition/refer_screen_46-9c6f36a5.png"></p>
<ul>
<li>授予所有数据库的所有权限：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">grant all privileges on *.* to &#x27;test&#x27;@&#x27;localhost&#x27;</span><br></pre></td></tr></table></figure>

<ul>
<li>授予所有数据库的所有权限(包括grant)：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">grant all privileges on *.* to &#x27;test&#x27;@&#x27;localhost&#x27; with grant option</span><br></pre></td></tr></table></figure>

<ul>
<li>授予SUPER PROCESS FILE权限（系统权限不能指定数据库）：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">grant super,process,file on *.* to &#x27;test&#x27;@&#x27;localhost&#x27;</span><br></pre></td></tr></table></figure>

<ul>
<li>只授予登录权限：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">grant usage on *.* to &#x27;test&#x27;@&#x27;localhost&#x27;</span><br></pre></td></tr></table></figure>

<h3 id="帐号相关"><a href="#帐号相关" class="headerlink" title="#帐号相关"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/reference/mysql.html#%E5%B8%90%E5%8F%B7%E7%9B%B8%E5%85%B3">#</a>帐号相关</h3><ul>
<li>删除账号：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">drop user &#x27;test&#x27;@&#x27;localhost&#x27;</span><br></pre></td></tr></table></figure>

<ul>
<li>修改自己的密码：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">set password = password(&#x27;123&#x27;)</span><br></pre></td></tr></table></figure>

<ul>
<li>管理员修改他人密码：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">set password for &#x27;test&#x27;@&#x27;localhost&#x27; = password(&#x27;123&#x27;)</span><br></pre></td></tr></table></figure>

<h2 id="其他"><a href="#其他" class="headerlink" title="#其他"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/reference/mysql.html#%E5%85%B6%E4%BB%96">#</a>其他</h2><h3 id="字符集相关"><a href="#字符集相关" class="headerlink" title="#字符集相关"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/reference/mysql.html#%E5%AD%97%E7%AC%A6%E9%9B%86%E7%9B%B8%E5%85%B3">#</a>字符集相关</h3><ul>
<li>查看字符集：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">show variables like &#x27;character%&#x27;</span><br></pre></td></tr></table></figure>

<p><img src="https://qiniu.ko25891wan.top/%E6%97%A5%E8%AE%B0%E8%BD%AF%E4%BB%B6/obsition/refer_screen_47-495dee0a.png"></p>
<ul>
<li>创建数据库时指定字符集：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">create database test2 character set utf8</span><br></pre></td></tr></table></figure>

<p><img src="https://qiniu.ko25891wan.top/%E6%97%A5%E8%AE%B0%E8%BD%AF%E4%BB%B6/obsition/refer_screen_48-a08408d7.png"></p>
<h3 id="时区相关"><a href="#时区相关" class="headerlink" title="#时区相关"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/reference/mysql.html#%E6%97%B6%E5%8C%BA%E7%9B%B8%E5%85%B3">#</a>时区相关</h3><ul>
<li>查看当前时区（UTC为世界统一时间，中国为UTC+8）：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">show variables like &quot;%time_zone%&quot;</span><br></pre></td></tr></table></figure>

<p><img src="https://qiniu.ko25891wan.top/%E6%97%A5%E8%AE%B0%E8%BD%AF%E4%BB%B6/obsition/refer_screen_49-3441424e.png"></p>
<ul>
<li>修改mysql全局时区为北京时间，即我们所在的东8区：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">set global time_zone = &#x27;+8:00&#x27;;</span><br></pre></td></tr></table></figure>

<ul>
<li>修改当前会话时区：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">set time_zone = &#x27;+8:00&#x27;</span><br></pre></td></tr></table></figure>

<p><img src="https://qiniu.ko25891wan.top/%E6%97%A5%E8%AE%B0%E8%BD%AF%E4%BB%B6/obsition/refer_screen_50-f4888b63.png"></p>
<ul>
<li>立即生效：</li>
</ul>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">flush privileges</span><br></pre></td></tr></table></figure></article><div class="post-copyright"><div class="post-copyright__author"><span class="post-copyright-meta"><i class="fas fa-circle-user fa-fw"></i>文章作者: </span><span class="post-copyright-info"><a href="https://ko25891wan.gitlab.io">十一星野</a></span></div><div class="post-copyright__type"><span class="post-copyright-meta"><i class="fas fa-square-arrow-up-right fa-fw"></i>文章链接: </span><span class="post-copyright-info"><a href="https://ko25891wan.gitlab.io/2024/01/9859ffc20589.html">https://ko25891wan.gitlab.io/2024/01/9859ffc20589.html</a></span></div><div class="post-copyright__notice"><span class="post-copyright-meta"><i class="fas fa-circle-exclamation fa-fw"></i>版权声明: </span><span class="post-copyright-info">本博客所有文章除特别声明外，均采用 <a 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href="https://gitlab.com/ko25891wan/ko25891wan.gitlab.io" target="_blank" title="Github"><i class="fab fa-github" style="color: #24292e;"></i></a><a class="social-icon" href="https://gitlab.com/ko25891wan/ko25891wan.gitlab.io" target="_blank" title="Gitlab"><i class="fab fa-gitlab" style="color: #24292e;"></i></a><a class="social-icon" href="mailto:ko25891wan@outlook.com" target="_blank" title="Email"><i class="fas fa-envelope" style="color: #4a7dbe;"></i></a></div></div><div class="card-widget card-announcement"><div class="item-headline"><i class="fas fa-bullhorn fa-shake"></i><span>公告</span></div><div class="announcement_content">This is my Blog</div></div><div class="sticky_layout"><div class="card-widget" id="card-toc"><div class="item-headline"><i class="fas fa-stream"></i><span>目录</span><span class="toc-percentage"></span></div><div class="toc-content"><ol class="toc"><li class="toc-item toc-level-2"><a class="toc-link" href="#%E6%95%B0%E6%8D%AE%E5%AE%9A%E4%B9%89%E8%AF%AD%E5%8F%A5-DDL"><span class="toc-number">1.</span> <span class="toc-text">数据定义语句(DDL)</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#%E6%95%B0%E6%8D%AE%E5%BA%93%E6%93%8D%E4%BD%9C"><span class="toc-number">1.1.</span> <span class="toc-text">数据库操作</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E8%A1%A8%E6%93%8D%E4%BD%9C"><span class="toc-number">1.2.</span> <span class="toc-text">表操作</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E6%95%B0%E6%8D%AE%E6%93%8D%E7%BA%B5%E8%AF%AD%E5%8F%A5-DML"><span class="toc-number">2.</span> <span class="toc-text">数据操纵语句(DML)</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#%E6%8F%92%E5%85%A5%E8%AE%B0%E5%BD%95"><span class="toc-number">2.1.</span> <span class="toc-text">插入记录</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E4%BF%AE%E6%94%B9%E8%AE%B0%E5%BD%95"><span class="toc-number">2.2.</span> <span class="toc-text">修改记录</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E5%88%A0%E9%99%A4%E8%AE%B0%E5%BD%95"><span class="toc-number">2.3.</span> <span class="toc-text">删除记录</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E6%9F%A5%E8%AF%A2%E8%AE%B0%E5%BD%95"><span class="toc-number">2.4.</span> <span class="toc-text">查询记录</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E6%95%B0%E6%8D%AE%E6%8E%A7%E5%88%B6%E8%AF%AD%E5%8F%A5-DCL"><span class="toc-number">3.</span> <span class="toc-text">数据控制语句(DCL)</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#%E6%9D%83%E9%99%90%E7%9B%B8%E5%85%B3"><span class="toc-number">3.1.</span> <span class="toc-text">权限相关</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E5%B8%90%E5%8F%B7%E7%9B%B8%E5%85%B3"><span class="toc-number">3.2.</span> <span class="toc-text">帐号相关</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%85%B6%E4%BB%96"><span class="toc-number">4.</span> <span class="toc-text">其他</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#%E5%AD%97%E7%AC%A6%E9%9B%86%E7%9B%B8%E5%85%B3"><span class="toc-number">4.1.</span> <span class="toc-text">字符集相关</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E6%97%B6%E5%8C%BA%E7%9B%B8%E5%85%B3"><span class="toc-number">4.2.</span> <span class="toc-text">时区相关</span></a></li></ol></li></ol></div></div><div class="card-widget card-recent-post"><div class="item-headline"><i class="fas fa-history"></i><span>最新文章</span></div><div class="aside-list"><div class="aside-list-item no-cover"><div class="content"><a class="title" href="/2024/02/c60470b9a892.html" title="Java集合使用注意事项总结">Java集合使用注意事项总结</a><time datetime="2024-02-03T04:58:22.000Z" title="发表于 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